Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://krisoc.ru/uplcv?utm_term=chalo+divas+full+movie+download PDF link annotation

  • https://belhasasecurity.com/userfiles/file/weseguwapene.pdfIn PDF document text
  • http://activesolutionelectric.com/images/file/gadipelarepefimobinagewor.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c781729090---8885326633.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/95be15288a6ba3f0138ed2efd7b1752e/xenogesanaduvikimis.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/691f75a7d9c3f399fffab467a97b54a6/92665862575.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160793f6e7ca00---zipudedore.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f000e0605---jimaxefiwegodobunefolek.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/7agg2qirk7ilupm0e9t9mb0fe0/88322063425.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087ff594e78c---2137959579.pdfIn PDF document text
  • http://colorfulmedia.de/fotki/fotki/file/60246903257.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/hrv4idopkrvpit49v26kd9hp07/22474185488.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1d3aacd9f6c07321affe641a960b99c1/3694713144.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bdcc483ba62---kidexajiga.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1da950e4d---fetilazu.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/32jv7tgv3limsl49tl1ikgrg24/78957417086.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607efb8744a02---96601366975.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab4ad3b07c---35921463449.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/f9b0feedef6476ae91844c13bdd7a024/jelinepomuposen.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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